Pith Number

pith:DJI42HVT

pith:2010:DJI42HVTKF4HV2PGQB74ZKYSPH

not attested not anchored not stored refs pending

On the Positron Fraction and Cosmic-Ray Propagation Models

B. Burch, R. Cowsik

arxiv:1009.1361 v1 · 2010-09-07 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJI42HVTKF4HV2PGQB74ZKYSPH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:41:15.643333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a51cd1eb351787ae9e6807fccab1279e74ec250c3dc6494619b07ad72ede346

Aliases

arxiv: 1009.1361 · arxiv_version: 1009.1361v1 · doi: 10.48550/arxiv.1009.1361 · pith_short_12: DJI42HVTKF4H · pith_short_16: DJI42HVTKF4HV2PG · pith_short_8: DJI42HVT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/DJI42HVTKF4HV2PGQB74ZKYSPH \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1a51cd1eb351787ae9e6807fccab1279e74ec250c3dc6494619b07ad72ede346

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "923f326f61311f5193168e6d0cccb27c3d6519c8916d7763cc4c375cdc9cca9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-09-07T18:55:49Z",
    "title_canon_sha256": "c951abf41114b2068429a38a084adf97f10b66f4c44765ba8d1b088174ba628d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1361",
    "kind": "arxiv",
    "version": 1
  }
}